Enum s_expr::Element

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pub enum Element<'a> {
    Group(GroupKind, Vec<SpannedElement<'a>>),
    Atom(Atom<'a>),
    Comment(&'a str),
}

Expand description

Element of S-Expr

Variants

`Group(GroupKind, Vec<SpannedElement<'a>>)`

`Atom(Atom<'a>)`

`Comment(&'a str)`

Implementations

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impl<'a> Element<'a>

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pub fn atom(&self) -> Option<&Atom<'a>>

Return the atom if the element is an atom, otherwise None

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pub fn group(&self, grp: GroupKind) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a group of the right type, otherwise None

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pub fn paren(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a paren group, otherwise None

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pub fn bracket(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a bracket group, otherwise None

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pub fn brace(&self) -> Option<&[SpannedElement<'a>]>

Return the group elements if the element is a brace group, otherwise None

Trait Implementations

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impl<'a> Clone for Element<'a>

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fn clone(&self) -> Element<'a>

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<'a> Debug for Element<'a>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl<'a> RefUnwindSafe for Element<'a>

impl<'a> Send for Element<'a>

impl<'a> Sync for Element<'a>

impl<'a> Unpin for Element<'a>

impl<'a> UnwindSafe for Element<'a>

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum s_expr::Element

Variants

Group(GroupKind, Vec<SpannedElement<'a>>)

Atom(Atom<'a>)

Comment(&'a str)

Implementations

impl<'a> Element<'a>

pub fn atom(&self) -> Option<&Atom<'a>>

pub fn group(&self, grp: GroupKind) -> Option<&[SpannedElement<'a>]>

pub fn paren(&self) -> Option<&[SpannedElement<'a>]>

pub fn bracket(&self) -> Option<&[SpannedElement<'a>]>

pub fn brace(&self) -> Option<&[SpannedElement<'a>]>

Trait Implementations

impl<'a> Clone for Element<'a>

fn clone(&self) -> Element<'a>

fn clone_from(&mut self, source: &Self)

impl<'a> Debug for Element<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl<'a> RefUnwindSafe for Element<'a>

impl<'a> Send for Element<'a>

impl<'a> Sync for Element<'a>

impl<'a> Unpin for Element<'a>

impl<'a> UnwindSafe for Element<'a>

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

`Group(GroupKind, Vec<SpannedElement<'a>>)`

`Atom(Atom<'a>)`

`Comment(&'a str)`

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,